diff options
Diffstat (limited to 'system/database/drivers/sqlsrv/sqlsrv_driver.php')
| -rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_driver.php | 109 |
1 files changed, 67 insertions, 42 deletions
diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 95ab61b9f..ea9f9483b 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -42,29 +42,30 @@ */ class CI_DB_sqlsrv_driver extends CI_DB { - public $dbdriver = 'sqlsrv'; + var $dbdriver = 'sqlsrv'; // The character used for escaping - protected $_escape_char = ''; + var $_escape_char = ''; // clause and character used for LIKE escape sequences - protected $_like_escape_str = " ESCAPE '%s' "; - protected $_like_escape_chr = '!'; + var $_like_escape_str = " ESCAPE '%s' "; + var $_like_escape_chr = '!'; /** * The syntax to count rows is slightly different across different * database engines, so this string appears in each driver and is - * used for the count_all() and count_all_results() public functions. + * used for the count_all() and count_all_results() functions. */ - protected $_count_string = "SELECT COUNT(*) AS "; - protected $_random_keyword = ' ASC'; // not currently supported + var $_count_string = "SELECT COUNT(*) AS "; + var $_random_keyword = ' ASC'; // not currently supported /** * Non-persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_connect($pooling = false) + function db_connect($pooling = false) { // Check for a UTF-8 charset being passed as CI's default 'utf8'. $character_set = (0 === strcasecmp('utf8', $this->char_set)) ? 'UTF-8' : $this->char_set; @@ -92,9 +93,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Persistent database connection * + * @access private called by the base class * @return resource */ - protected function db_pconnect() + function db_pconnect() { return $this->db_connect(TRUE); } @@ -107,9 +109,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { * Keep / reestablish the db connection if no queries have been * sent for a length of time exceeding the server's idle timeout * + * @access public * @return void */ - public function reconnect() + function reconnect() { // not implemented in MSSQL } @@ -143,10 +146,11 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Execute the query * + * @access private called by the base class * @param string an SQL query * @return resource */ - protected function _execute($sql) + function _execute($sql) { return sqlsrv_query($this->conn_id, $sql, null, array( 'Scrollable' => SQLSRV_CURSOR_STATIC, @@ -159,9 +163,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Begin Transaction * + * @access public * @return bool */ - public function trans_begin($test_mode = FALSE) + function trans_begin($test_mode = FALSE) { if ( ! $this->trans_enabled) { @@ -187,9 +192,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Commit Transaction * + * @access public * @return bool */ - public function trans_commit() + function trans_commit() { if ( ! $this->trans_enabled) { @@ -210,9 +216,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Rollback Transaction * + * @access public * @return bool */ - public function trans_rollback() + function trans_rollback() { if ( ! $this->trans_enabled) { @@ -233,11 +240,12 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Escape String * + * @access public * @param string * @param bool whether or not the string will be used in a LIKE condition * @return string */ - public function escape_str($str, $like = FALSE) + function escape_str($str, $like = FALSE) { // Escape single quotes return str_replace("'", "''", $str); @@ -248,9 +256,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Affected Rows * + * @access public * @return integer */ - public function affected_rows() + function affected_rows() { return @sqlrv_rows_affected($this->conn_id); } @@ -262,9 +271,10 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Returns the last id created in the Identity column. * + * @access public * @return integer */ - public function insert_id() + function insert_id() { return $this->query('select @@IDENTITY as insert_id')->row('insert_id'); } @@ -277,10 +287,11 @@ class CI_DB_sqlsrv_driver extends CI_DB { * Grabs the major version number from the * database server version string passed in. * + * @access private * @param string $version * @return int16 major version number */ - protected function _parse_major_version($version) + function _parse_major_version($version) { preg_match('/([0-9]+)\.([0-9]+)\.([0-9]+)/', $version, $ver_info); return $ver_info[1]; // return the major version b/c that's all we're interested in. @@ -316,10 +327,11 @@ class CI_DB_sqlsrv_driver extends CI_DB { * Generates a platform-specific query string that counts all records in * the specified database * + * @access public * @param string * @return string */ - public function count_all($table = '') + function count_all($table = '') { if ($table == '') return '0'; @@ -341,10 +353,11 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * + * @access private * @param boolean * @return string */ - protected function _list_tables($prefix_limit = FALSE) + function _list_tables($prefix_limit = FALSE) { return "SELECT name FROM sysobjects WHERE type = 'U' ORDER BY name"; } @@ -356,10 +369,11 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * + * @access private * @param string the table name * @return string */ - protected function _list_columns($table = '') + function _list_columns($table = '') { return "SELECT * FROM INFORMATION_SCHEMA.Columns WHERE TABLE_NAME = '".$this->_escape_table($table)."'"; } @@ -371,10 +385,11 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific query so that the column data can be retrieved * + * @access public * @param string the table name * @return object */ - public function _field_data($table) + function _field_data($table) { return "SELECT TOP 1 * FROM " . $this->_escape_table($table); } @@ -422,44 +437,46 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Escape Table Name * - * This public function adds backticks if the table name has a period + * This function adds backticks if the table name has a period * in it. Some DBs will get cranky unless periods are escaped * + * @access private * @param string the table name * @return string */ - protected function _escape_table($table) + function _escape_table($table) { return $table; - } - - // -------------------------------------------------------------------------- + } + /** * Escape the SQL Identifiers * - * This public function escapes column and table names + * This function escapes column and table names * + * @access private * @param string * @return string */ - protected function _escape_identifiers($item) + function _escape_identifiers($item) { return $item; } - // -------------------------------------------------------------------------- + // -------------------------------------------------------------------- /** * From Tables * - * This public function implicitly groups FROM tables so there is no confusion + * This function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * - * @param string the table name - * @return string + * @access public + * @param type + * @return type */ - public function _from_tables($tables) + function _from_tables($tables) { if ( ! is_array($tables)) { @@ -476,12 +493,13 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * + * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - public function _insert($table, $keys, $values) + function _insert($table, $keys, $values) { return "INSERT INTO ".$this->_escape_table($table)." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; } @@ -493,6 +511,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * + * @access public * @param string the table name * @param array the update data * @param array the where clause @@ -500,7 +519,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { * @param array the limit clause * @return string */ - public function _update($table, $values, $where) + function _update($table, $values, $where) { foreach($values as $key => $val) { @@ -517,12 +536,13 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific truncate string from the supplied data * If the database does not support the truncate() command - * This public function maps to "DELETE FROM table" + * This function maps to "DELETE FROM table" * + * @access public * @param string the table name * @return string */ - public function _truncate($table) + function _truncate($table) { return "TRUNCATE ".$table; } @@ -534,12 +554,13 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific delete string from the supplied data * + * @access public * @param string the table name * @param array the where clause * @param string the limit clause * @return string */ - public function _delete($table, $where) + function _delete($table, $where) { return "DELETE FROM ".$this->_escape_table($table)." WHERE ".implode(" ", $where); } @@ -551,12 +572,13 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * + * @access public * @param string the sql query string * @param integer the number of rows to limit the query to * @param integer the offset value * @return string */ - public function _limit($sql, $limit, $offset) + function _limit($sql, $limit, $offset) { $i = $limit + $offset; @@ -568,15 +590,18 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Close DB Connection * + * @access public * @param resource * @return void */ - public function _close($conn_id) + function _close($conn_id) { @sqlsrv_close($conn_id); } } + + /* End of file mssql_driver.php */ -/* Location: ./system/database/drivers/mssql/mssql_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mssql/mssql_driver.php */ |